<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta http-equiv="X-UA-Compatible" content="ie=edge">
  <script src="/static/js/jquery.min.js"></script>
  <link rel="stylesheet" href="/static/css/iframe.css">
  <title>大屏</title>
</head>
<body>
    <ul class="nav">
    
      <li class="drop-down">
        <a href="#"></a>
    
        <ul class="drop-down-content">
    
          <li>
            <a href="/">自动切换</a>
          </li>
    
          <li>
            <a href="/">第一屏</a>
          </li>
    
          <li>
            <a href="/second">第二屏</a>
          </li>
          <li>
            <a href="/third">第三屏</a>
          </li>
    
          <li>
            <a href="/four?index=0">第四屏</a>
          </li>
        </ul>
      </li>
    </ul>
  <div class="home">
    <iframe id="demo1" src="index.html" frameborder="0" class="state-01 demo1"></iframe>
    <iframe src="second.html" frameborder="0" class="state-01 demo2"></iframe>
    <iframe src="third.html" frameborder="0" class="state-01 demo3"></iframe>
    <iframe src="four.html" frameborder="0" class="state-01 demo4"></iframe>
  </div>
  <script src="/static/js/home.js"></script>
</body>
</html>